What is the blowdown range for safety valves installed on naval vessels?

What is the blowdown range for safety valves installed on naval vessels?

• A. 1-2 percent
• B. 3-6 percent
• C. 7-10 percent
• D. 11-15 percent

Answer: (B)

The blowdown range for safety valves installed on naval vessels is typically set between 3-6 percent. This range is crucial because it ensures that the safety valve will close at a specified limit but will also allow for some pressure fluctuation without excessively cycling open and closed. Maintaining a blowdown in this range helps ensure the reliable operation of the valve, which is vital for safety. It prevents the system from being subject to frequent pressure variations that could occur during normal operations, allowing for better stability in the pressure control of the system. This standard is aligned with safety practices to protect against overpressure situations while maintaining optimal system performance.

The blowdown range for safety valves installed on naval vessels is typically set between 3-6 percent. This range is crucial because it ensures that the safety valve will close at a specified limit but will also allow for some pressure fluctuation without excessively cycling open and closed. Maintaining a blowdown in this range helps ensure the reliable operation of the valve, which is vital for safety. It prevents the system from being subject to frequent pressure variations that could occur during normal operations, allowing for better stability in the pressure control of the system. This standard is aligned with safety practices to protect against overpressure situations while maintaining optimal system performance.